Asthma & Allergies The 10 Worst Spring Allergy Cities In The U.S. Share Read Later prev9 of 12nextView All3. Chattanooga, TennesseeBy Alexandra Sifferlin April 02, 2013Getty ImagesWalnut Street Bridge, Chattanooga, TennesseeNext 2. Knoxville, Tennessee Full List Allergy CitiesWhere Does Your City Fall?10. Baton Rouge, Louisiana9. Oklahoma City, Oklahoma8. Memphis, Tennessee7. Dayton, Ohio6. Wichita, Kansas5. Louisville, Kentucky4. McAllen, Texas3. Chattanooga, Tennessee2. Knoxville, Tennessee1. Jackson, Mississippi